init phpstan

.gitattributes

@@ -9,4 +9,5 @@
 tests               export-ignore
 vendor              export-ignore
 actions.phpunit.xml export-ignore
-
+phpstan.phar        export-ignore
+phpstan.neon        export-ignore

.github/workflows/tests.yml

@@ -6,6 +6,29 @@ env:
   DEFAULT_COMPOSER_FLAGS: "--prefer-dist --no-interaction"
   CC_TEST_REPORTER_ID: 40d4890deed3bca8888c04ca67b9768edf11d7a089d2960977997791daea31f6
 jobs:
+  ## PHPSTAN
+  phpstan:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Install PHP
+        uses: shivammathur/setup-php@2.21.0
+        with:
+          php-version: '8.0'
+          extensions: mbstring, intl
+          coverage: none
+        env:
+          COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          update: true
+
+      - name: Install dependencies
+        run: composer install --prefer-dist --no-interaction --no-progress --optimize-autoloader
+
+      - name: PHPStan tests
+        run: composer phpstan
+
   ## PHPUNIT
   phpunit:
     name: PHP ${{ matrix.php }} on ${{ matrix.os }}

.gitignore

@@ -9,4 +9,5 @@ composer.lock
 tests/phpunit_report/*
 /.settings/
 /.php_cs.cache
-.php-cs-fixer.cache
+.php-cs-fixer.cache
+.tmp

CHANGELOG.md

@@ -8,6 +8,7 @@ All notable changes to this project will be documented in this file. This projec
 + [#94](https://github.com/php-mod/curl/pull/94) Added method to retrieve all curl options from current object.
 + [#93](https://github.com/php-mod/curl/pull/93) Text and Coding Standards update.
 + [#97](https://github.com/php-mod/curl/pull/97) Added Unit Testing for PHP 8.2.
++ [#99](https://github.com/php-mod/curl/pull/99) Added PHPStan testing to GitHub Actions and fixed errors from testing with PHPStan.
 
 ## 2.4.0 (29. August 2022)
 

composer.json

@@ -1,7 +1,10 @@
 {
   "name": "curl/curl",
   "description": "cURL class for PHP",
-  "keywords": ["dot", "curl"],
+  "keywords": [
+    "dot",
+    "curl"
+  ],
   "homepage": "https://github.com/php-mod/curl",
   "type": "library",
   "license": "MIT",
@@ -31,5 +34,8 @@
     "psr-0": {
       "Curl": "src/"
     }
+  },
+  "scripts": {
+    "phpstan": "./phpstan.phar -v"
   }
-}
+}

phpstan.neon

@@ -0,0 +1,5 @@
+parameters:
+  level: 2
+  paths:
+    - src
+  tmpDir: .tmp

src/Curl/Curl.php

@@ -34,32 +34,32 @@ class Curl
     // The HTTP authentication method(s) to use.
 
     /**
-     * @var string Type AUTH_BASIC
+     * @var int Type AUTH_BASIC
      */
     const AUTH_BASIC = CURLAUTH_BASIC;
 
     /**
-     * @var string Type AUTH_DIGEST
+     * @var int Type AUTH_DIGEST
      */
     const AUTH_DIGEST = CURLAUTH_DIGEST;
 
     /**
-     * @var string Type AUTH_GSSNEGOTIATE
+     * @var int Type AUTH_GSSNEGOTIATE
      */
     const AUTH_GSSNEGOTIATE = CURLAUTH_GSSNEGOTIATE;
 
     /**
-     * @var string Type AUTH_NTLM
+     * @var int Type AUTH_NTLM
      */
     const AUTH_NTLM = CURLAUTH_NTLM;
 
     /**
-     * @var string Type AUTH_ANY
+     * @var int Type AUTH_ANY
      */
     const AUTH_ANY = CURLAUTH_ANY;
 
     /**
-     * @var string Type AUTH_ANYSAFE
+     * @var int Type AUTH_ANYSAFE
      */
     const AUTH_ANYSAFE = CURLAUTH_ANYSAFE;
 
@@ -322,8 +322,8 @@ public function get($url, $data = array())
      * A very common scenario to send a purge request is within the use of varnish, therefore
      * the optional hostname can be defined.
      *
-     * @param strng $url The url to make the purge request
-     * @param string $hostname An optional hostname which will be sent as http host header
+     * @param string $url The url to make the purge request
+     * @param string $hostName An optional hostname which will be sent as http host header
      * @return self
      * @since 2.4.0
      */
@@ -573,7 +573,6 @@ public function setOpt($option, $value)
      *
      * @see http://php.net/curl_getinfo
      * @param int $option The curl option constant e.g. `CURLOPT_AUTOREFERER`, `CURLOPT_COOKIESESSION`
-     * @param mixed The value to check for the given $option
      * @return mixed
      */
     public function getOpt($option)
@@ -787,7 +786,7 @@ public function getResponse()
 
     /**
      * Get curl error code
-     * @return string
+     * @return int
      */
     public function getErrorCode()
     {